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HSF.BF.B.4.b Tutor Intake — Verifying Inverses by Composition

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Grade 9·11 problems·~14 min·Common Core Math - HS Functions·standard·hsf-bf-b-4b

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Procedures

Let $f(x) = 3x - 6$ and $g(x) = \dfrac{x + 6}{3}$ .

Compute $f(g(x))$ and simplify completely. What is the result?

$3x$

$x - 6$

$x$

$x + 6$